Cutter positioning mechanism and automatic machining equipment

Abstract

The utility model belongs to the technical field of automatic lathes, and particularly relates to a cutter positioning mechanism and automatic machining equipment. The cutter positioning mechanism comprises a cutter handle and a storage assembly, a first positioning groove and a second positioning groove are formed in the side wall of the cutter handle, and a positioning hole is formed in the inner wall of the first positioning groove; the storage assembly comprises a positioning sensor, a first positioning block and a supporting frame. The supporting frame is provided with a first supporting groove used for supporting a knife handle. A first positioning part is arranged on the first positioning block, a containing hole is formed in the first positioning part, and the positioning sensor is installed in the containing hole; the knife handle is stored in the first supporting groove, the first positioning part is inserted into the first positioning groove, and the positioning sensor detects whether the knife handle in the first supporting groove deviates or not by detecting the positioning hole. According to the tool holder positioning device, when the positioning sensor detects the positioning hole, it is indicated that the tool holder is accurately placed on the supporting frame, and the mechanical arm can move and take the tool holder from the supporting frame and accurately install the tool holder on the main shaft of the lathe.

Description

TECHNICAL FIELD

[0001] The utility model belongs to automatic lathe technical field, especially, a kind of tool positioning mechanism and automatic processing equipment are related. BACKGROUND

[0002] Tool holder is a mechanism for connecting machine tool spindle and tool, since spindle and tool holder need accurate assembly, so tool holder needs directional installation on spindle. In order to improve the tool changing efficiency of lathe, more and more automatic workshops use manipulator to realize the tool changing of lathe, manipulator can move and take tool holder installed with tool from storage rack, and install tool holder on spindle of lathe.

[0003] In prior art, first clamping structure is usually provided on tool holder, and second clamping structure matched with first clamping structure is provided on spindle;Manipulator needs to drive spindle to rotate during the process of installing tool holder on spindle, until first clamping structure and second clamping structure are clamped;However, the design of first clamping structure and second clamping structure not only needs to change the structure of tool holder, but also needs to change the structure of spindle, which greatly increases the modification cost of machine tool. SUMMARY

[0004] The utility model solves the prior art higher technical problem of machine tool modification cost, and provides a kind of tool positioning mechanism and automatic processing equipment.

[0005] To solve the above technical problems, the utility model embodiment provides a kind of tool positioning mechanism, including tool holder and storage component, the side wall of the tool holder is equipped with the first positioning groove and the second positioning groove that are distributed in the circumferential direction at intervals, the inner wall of the first positioning groove is equipped with positioning hole;

[0006] The storage component includes positioning sensor, first positioning block and support frame, the first support groove for supporting the tool holder is provided on the support frame;The first positioning block is equipped with the first positioning part that inserts into the first support groove, the first positioning part is equipped with containing hole, and the positioning sensor is installed in the containing hole;

[0007] The tool holder is stored in the first support groove, the first positioning part is inserted into the first positioning groove, and the positioning sensor detects the positioning hole to detect whether the tool holder in the first support groove is deflected.

[0008] Optionally, the tool positioning mechanism further includes transition component, the transition component includes transition support plate and second positioning block installed on the transition support plate, and the second support groove for supporting the tool holder is provided on the transition support plate;The second positioning plate is equipped with the second positioning part matched with the second positioning groove on the transition support plate;

[0009] The shank is placed in the second support groove, and the second positioning part is inserted in the second positioning groove.

[0010] Optionally, the transition assembly further comprises a detection sensor mounted on the transition support plate, and the detection sensor is used to detect whether the shank is in the second support groove.

[0011] Optionally, an annular protrusion is arranged on the outer wall of the shank, a first arc-shaped support part is arranged on the inner wall of the first support groove, and the shank is stored in the second support groove through the annular protrusion and the first arc-shaped support part abutting each other.

[0012] A first mounting hole is arranged on the first arc-shaped support part, and the detection sensor is mounted in the first mounting hole.

[0013] Optionally, the first positioning groove and the second positioning groove are symmetrically arranged, and the included angle between the first positioning groove and the second positioning groove is 180 degrees.

[0014] Optionally, an annular protrusion is arranged on the outer wall of the shank, a second arc-shaped support part is arranged on the inner wall of the first support groove, and the shank is stored in the first support groove through the annular protrusion and the second arc-shaped support part abutting each other.

[0015] Optionally, the support frame comprises a support frame and a plurality of support plates which are spaced apart along a first direction and mounted in the support frame, a plurality of first support grooves are arranged on the support plates and spaced apart along a second direction, each of the first support grooves is provided with a first positioning block and a positioning sensor, and the first direction is perpendicular to the second direction.

[0016] Optionally, a mounting part is arranged on the top of the shank, and the shank is mounted on the main shaft of the lathe through the mounting part.

[0017] Optionally, a second mounting hole for mounting a tool is arranged on the shank.

[0018] Another embodiment of the utility model further provides a kind of automatic processing equipment, including mechanical arm, lathe and above-mentioned tool positioning mechanism, and the mechanical arm is used to remove the shank from the first support groove and install on the main shaft of the lathe.

[0019] The utility model discloses a storage assembly, including positioning sensor, first locating block and support frame, be equipped with the first support recess for supporting the handle of knife on the support frame, be equipped with the first locating portion that inserts the first support recess on the first locating block, be equipped with the containing hole on the first locating portion, the positioning sensor is installed in the containing hole, when the handle of knife is placed in the first support recess, the first locating portion inserts the first locating recess, thereby the first locating block can position the handle of knife in the first support recess, has guaranteed the stability that the handle of knife placed on the support frame. In addition, when the positioning sensor detects the locating hole, show the handle of knife accurate place on the support frame, and the mechanical arm can remove the handle of knife from the support frame and accurately install on the main shaft of lathe, the positioning sensor does not detect the locating hole, show that the handle of knife position deviation occurs on the support frame, and the mechanical arm will not remove the handle of knife of position deviation from the support frame, the utility model discloses, do not need to transform the main shaft of machine tool, and the mechanical arm can accurately install the handle of knife on the main shaft of lathe. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model is further explained below in combination with the drawings and examples.

[0021] Figure 1 It is the structure schematic drawing of the handle of knife installed on the storage assembly that an embodiment of the utility model provides;

[0022] Figure 2 It is the structure schematic drawing of the handle of knife installed on the support plate that an embodiment of the utility model provides;

[0023] Figure 3 It is the structure schematic drawing of the cutter installed on the handle of knife that an embodiment of the utility model provides;

[0024] Figure 4 It is the structure schematic drawing of the cutter installed on the handle of knife from another visual angle that an embodiment of the utility model provides;

[0025] Figure 5 It is the structure schematic drawing of the handle of knife installed on the transition assembly that an embodiment of the utility model provides;

[0026] Figure 6 It is Figure 5 The partial close-up view of A in the utility model discloses;

[0027] The reference signs in the specification are as follows:

[0028] 1, handle; 11, first positioning groove; 12, second positioning groove; 13, positioning hole; 14, annular protrusion; 15, mounting portion; 2, storage assembly; 21, positioning sensor; 22, first positioning block; 221, first positioning portion; 23, support frame; 231, first support groove; 232, second arc-shaped support portion; 233, support frame; 234, support plate; 3, transition assembly; 31, transition support plate; 311, second support groove; 312, first arc-shaped support portion; 32, second positioning block; 321, second positioning portion; 33, detection sensor; 4, tool. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and do not limit the utility model.

[0030] It should be understood that the terms "upper", "lower", "left", "right", "front", "back", "middle" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0031] As shown in Figures 1 to 4 An embodiment of the utility model provides a tool positioning mechanism, which comprises a handle 1 and a storage assembly 2, a side wall of the handle 1 is provided with a first positioning groove 11 and a second positioning groove 12 which are distributed at intervals in the circumferential direction, and the inner wall of the first positioning groove 11 is provided with a positioning hole 13. As a preferred, the first positioning groove 11 and the second positioning groove 12 are symmetrically arranged, and the included angle between the first positioning groove 11 and the second positioning groove 12 is 180 degrees. Understandably, one of the first positioning groove 11 and the second positioning groove 12 is arranged on the front surface of the handle 1, and the other is arranged on the back surface of the handle 1. The first positioning groove 11 and the second positioning groove 12 are the same shape, which reduces the manufacturing difficulty and manufacturing cost of the handle 1.

[0032] The storage assembly 2 comprises a positioning sensor 21, a first positioning block 22 and a support frame 23, the support frame 23 is provided with a first support groove 231 for supporting the tool shank 1; the first positioning block 22 is provided with a first positioning part 221 extending into the first support groove 231, the first positioning part 221 is provided with a receiving hole, and the positioning sensor 21 is installed in the receiving hole; it can be understood that the positioning sensor 21 includes but is not limited to a laser sensor, a piezoelectric sensor and the like; the front of the first support groove 231 is provided with a first notch, and the tool shank 1 can be placed in the first support groove 231 through the first notch.

[0033] The tool shank 1 is stored in the first support groove 231, the first positioning part 221 is inserted into the first positioning groove 11, and the positioning sensor 21 detects whether the tool shank 1 in the first support groove 231 is deviated by detecting the positioning hole 13.

[0034] In the utility model, the storage assembly 2 comprises a positioning sensor 21, a first positioning block 22 and a support frame 23, the support frame 23 is provided with a first support groove 231 for supporting the tool shank 1; the first positioning block 22 is provided with a first positioning part 221 extending into the first support groove 231, the first positioning part 221 is provided with a receiving hole, and the positioning sensor 21 is installed in the receiving hole; when the tool shank 1 is placed in the first support groove 231, the first positioning part 221 is inserted into the first positioning groove 11, so that the first positioning block 22 can position the tool shank 1 in the first support groove 231, and the stability of the tool shank 1 placed on the support frame 23 is guaranteed. In addition, when the positioning sensor 21 detects the positioning hole 13, it indicates that the tool shank 1 is accurately placed on the support frame 23, and the mechanical arm can take the tool shank 1 from the support frame 23 and accurately install it on the main shaft of the lathe; if the positioning sensor 21 does not detect the positioning hole 13, it indicates that the position of the tool shank 1 on the support frame 23 is deviated, and the mechanical arm will not take the tool shank 1 with position deviation from the support frame 23; in the utility model, the main shaft of the machine tool does not need to be modified, and the mechanical arm can accurately install the tool shank 1 on the main shaft of the lathe.

[0035] In an embodiment, as shown in Figure 5 and Figure 6 The tool positioning mechanism further comprises a transition assembly 3, the transition assembly 3 comprises a transition support plate 31 and a second positioning block 32 installed on the transition support plate 31, and the transition support plate 31 is provided with a second support groove 311 for supporting the tool shank 1; the transition support plate 31 is provided with a second positioning part 321 matched with the second positioning groove 12; it can be understood that the transition support plate 31 can be installed on a travelling table of a mechanical arm.

[0036] The tool holder 1 is placed in the second support groove 311, and the second positioning part 321 is inserted into the second positioning groove 12. It can be understood that the front of the second support groove 311 is provided with a second gap, and the tool holder 1 can be placed in the second support groove 311 through the second gap.

[0037] Specifically, the mechanical arm removes the tool holder 1 from the support frame 23 and places it in the second support groove 311 of the transition support plate 31, and the second positioning part 321 is inserted into the second positioning groove 12, thereby ensuring the stability of the tool holder 1 placed on the transition support plate 31. After adjusting the pose, the mechanical arm removes the tool holder 1 from the transition support plate 31 and installs it on the lathe spindle. In this embodiment, the transition assembly 3 can play a role in temporarily storing the tool holder 1 between the storage assembly 2 and the lathe, further ensuring the accuracy of the mechanical arm in installing the tool holder 1 on the lathe spindle.

[0038] In an embodiment, as shown in Figure 5 and Figure 6 The transition assembly 3 further comprises a detection sensor 33 installed on the transition support plate 31, which is used to detect whether the tool holder 1 is in the second support groove 311. It can be understood that the detection sensor 33 includes but is not limited to a laser sensor, a piezoelectric sensor, etc., which can detect whether the tool holder 1 is in the second support groove 311, ensuring the accuracy of the mechanical arm in removing the tool holder 1 from the transition support plate 31.

[0039] In an embodiment, as shown in Figure 5 and Figure 6 The outer wall of the tool holder 1 is provided with an annular protrusion 14, and the inner wall of the first support groove 231 is provided with a first arc-shaped support part 312. The tool holder 1 is stored in the second support groove 311 by the annular protrusion 14 and the first arc-shaped support part 312 abutting each other. It can be understood that the annular protrusion 14 protrudes towards the outside of the tool holder 1, and the first arc-shaped support part 312 protrudes towards the center of the second support groove 311, and the first arc-shaped support part 312 supports the tool holder 1 through the annular protrusion 14.

[0040] The first arc-shaped support part 312 is provided with a first mounting hole, and the detection sensor 33 is installed in the first mounting hole. It can be understood that the detection sensor 33 detects whether the tool holder 1 is placed in the first support groove 231 through the annular protrusion 14. In this embodiment, the structure of the transition assembly 3 is compact and occupies less space.

[0041] In an embodiment, as shown in Figure 2 and Figure 3 The outer wall of the shank 1 is provided with an annular protrusion 14, the inner wall of the first supporting groove 231 is provided with a second arc-shaped supporting part 232, and the shank 1 is stored in the first supporting groove 231 through the abutment of the annular protrusion 14 and the second arc-shaped supporting part 232. Understandably, the annular protrusion 14 protrudes towards the outside of the shank 1, the second arc-shaped supporting part 232 protrudes towards the center of the first supporting groove 231, and the second arc-shaped supporting part 232 supports the shank 1 through the annular protrusion 14. In this embodiment, the storage assembly 2 has a compact structure and occupies a small space.

[0042] In an embodiment, as shown in Figure 1 and Figure 2 The supporting frame 23 includes a supporting frame 233 and a plurality of supporting plates 234 spaced apart in a first direction and mounted in the supporting frame 233, the supporting plates 234 are provided with a plurality of first supporting grooves 231 spaced apart in a second direction, each first supporting groove 231 is provided with a first positioning block 22 and a positioning sensor 21; wherein the first direction is perpendicular to the second direction. Understandably, the first direction is the vertical direction, the second direction is the horizontal direction, and the supporting frame 23 can store multiple columns and multiple rows of shanks 1, so that the supporting frame 23 can store multiple shanks 1, thereby improving the efficiency of the supporting frame 23 in storing shanks 1.

[0043] In an embodiment, as shown in Figure 3 and Figure 4 The top of the shank 1 is provided with a mounting portion 15, and the shank 1 is mounted on the main shaft of the lathe through the mounting portion 15. Understandably, the mechanical arm can move the shank 1 along the axial direction of the main shaft and install the shank 1 on the main shaft, and the mounting portion 15 at the top of the shank 1 is connected with the connecting portion on the main shaft.

[0044] In an embodiment, as shown in Figure 3 and Figure 4 The shank 1 is provided with a second mounting hole for mounting a tool 4. Understandably, the tool 4 can be mounted in the second mounting hole.

[0045] Another embodiment of the utility model also provides an automatic machining equipment, including a mechanical arm (not shown in the drawing), a lathe (not shown in the drawing) and the above-mentioned tool positioning mechanism, the mechanical arm is used for removing the shank 1 from the first supporting groove 231 and installing on the main shaft of the lathe.

[0046] The above is only an embodiment of the cutter positioning mechanism and the automatic machining equipment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, and improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A tool positioning mechanism, characterized by, The tool holder positioning mechanism comprises a tool holder and a storage assembly, a side wall of the tool holder is provided with first positioning grooves and second positioning grooves which are distributed in a circumferential direction, and an inner wall of the first positioning grooves is provided with positioning holes; The storage assembly comprises a positioning sensor, a first positioning block and a support frame, the support frame is provided with a first support groove for supporting the tool holder, the first positioning block is provided with a first positioning part which extends into the first support groove, the first positioning part is provided with a receiving hole, and the positioning sensor is installed in the receiving hole; The tool holder is stored in the first support groove, the first positioning part is inserted into the first positioning groove, and the positioning sensor detects the positioning holes to detect whether the tool holder in the first support groove is out of position.

2. The tool positioning mechanism according to claim 1, characterized in that The tool holder positioning mechanism further comprises a transition assembly, the transition assembly comprises a transition support plate and a second positioning block installed on the transition support plate, the transition support plate is provided with a second support groove for supporting the tool holder, and the transition support plate is provided with a second positioning part which is matched with the second positioning groove; The tool holder is placed in the second support groove, and the second positioning part is inserted into the second positioning groove.

3. The tool positioning mechanism according to claim 2, characterized in that The transition assembly further comprises a detection sensor installed on the transition support plate, and the detection sensor is used to detect whether the tool holder is in the second support groove.

4. The tool positioning mechanism according to claim 3, characterized in that An outer wall of the tool holder is provided with an annular protrusion, an inner wall of the first support groove is provided with a first arc-shaped support part, and the tool holder is stored in the second support groove through the annular protrusion and the first arc-shaped support part which abut against each other; The first arc-shaped support part is provided with a first mounting hole, and the detection sensor is installed in the first mounting hole.

5. The tool positioning mechanism according to claim 1, wherein The first positioning groove and the second positioning groove are symmetrically arranged, and an included angle between the first positioning groove and the second positioning groove is 180 degrees.

6. The tool positioning mechanism according to claim 1, characterized in that An outer wall of the tool holder is provided with an annular protrusion, an inner wall of the first support groove is provided with a second arc-shaped support part, and the tool holder is stored in the first support groove through the annular protrusion and the second arc-shaped support part which abut against each other.

7. The tool positioning mechanism according to claim 1, wherein The support frame comprises a support frame and a plurality of support plates which are installed in the support frame in a first direction, the support plates are provided with a plurality of first support grooves which are distributed in a second direction, each of the first support grooves is provided with one first positioning block and one positioning sensor, and the first direction is perpendicular to the second direction.

8. The tool positioning mechanism of claim 1, wherein, A top of the tool holder is provided with a mounting part, and the tool holder is installed on a main shaft of a lathe through the mounting part.

9. The tool positioning mechanism of claim 1, wherein, The tool holder is provided with a second mounting hole for mounting a tool.

10. An automated processing apparatus, characterized by, The tool holder positioning mechanism comprises a mechanical arm, a lathe and the tool holder positioning mechanism according to any one of claims 1 to 9, the mechanical arm is used to remove the tool holder from the first support groove and install the tool holder on the main shaft of the lathe.

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